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Customer-Specific Design Valve Combination DDZ
Tank Venting
Flowserve
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Function
Combined steam conditioning and quick closing valve
Application
Turbine Bypass with/without safety function for starting and stopping steam boilers
Steam transfer in case of turbine failure
Steam transfer for process steam lines
- Specifications
- Technical Data
- Advantages
- Industries
- Applications
- Contact
Specifications
Operating Parameters:
- Flows to 565 m³/h (2500 gpm)
- Heads to 110 m (350 ft)
- Pressures to 17 bar (250 psi)
- Temperatures from -30°C (-20°F) to 90°C (200°F)
Shaft Metallurgy Options:
- 316 SS
- Alloy 20
- Hastelloy
- Titanium
Features:
- Full basket strainer
- NEMA in-line motor
- Fiberglass mounting plate
- Tapered “Polygon” impeller drive
- “Pull-out” bearing retainers
- Level controls
Options:
- Simplex and duplex pit covers
- Float switches
- Particulate separators
- Non-metallic lubrication lines
- Tailpipe
Technical Data
- Engineered Polymer Composite Construction offers cost-effective corrosion-resistance, is lightweight, non-galling, non-sparking, and non-conductive.
- Unitized Case with Integrally Molded Flanges at the suction and discharge nozzles, fully gusseted for structural soundness.
- Externally Adjustable, Semi-Open Impeller provides consistently high efficiencies and minimizes maintenance.
- Shaft/Bearing System operates below the first critical speed for less shaft whip and longer bearing life.
- Bearings can be lubricated by external flush or self-lubricated by the pump fluid.
- Single-Piece Column is lightweight, filament-wound, reinforced fiberglass composite for strength and rigidity.
Advantages
- Lightweight and corrosion-resistant due to engineered polymer composite construction.
- High efficiency and minimal maintenance with externally adjustable impeller.
- Long bearing life with low shaft whip and flexible lubrication options.
- Robust construction with unitized case and reinforced single-piece column.
Industries
- Leaching Acid
- Chemical and Liquor
- Caustic and Chlor-Alkali
- Bleach Chemicals
- Auxiliary
- Acid Transfer
- OEM
- Water Treatment
- Water Supply and Distribution
- Wastewater Collection and Treatment
- Polymers
- Plating, Galvanizing and Other Coatings
- Pharmaceuticals
- Automotive and Aircraft
Applications
- Corrosive Services
- General Purpose
- Water Treatment
- Pulp and Paper
- Chemical Processing
- Utility
- Metal and Steel Industry
- Pollution Control
- Plating
Contact Us
Contact our Valve Specialist Team
- Brendan Merrigan (External) – mob: 087 2598124
- Vicki McGrath – tel: 021 461 7207
- Brian Barry – tel: 021 461 7211
- Tim Quigley – tel: 021 461 7209
- Ross O’Donovan – tel: 021 461 7230
- Shauna O’Connor – tel: 021 461 7237
- Tel: 021 461 7200
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